31404230430 has 16 divisors (see below), whose sum is σ = 75370153104. Its totient is φ = 8374461440.

The previous prime is 31404230381. The next prime is 31404230449. The reversal of 31404230430 is 3403240413.

It is a self number, because there is not a number n which added to its sum of digits gives 31404230430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523403811 + ... + 523403870.

It is an arithmetic number, because the mean of its divisors is an integer number (4710634569).

Almost surely, 2^31404230430 is an apocalyptic number.

31404230430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31404230430 is an abundant number, since it is smaller than the sum of its proper divisors (43965922674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31404230430 is a wasteful number, since it uses less digits than its factorization.

31404230430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046807691.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 31404230430 its reverse (3403240413), we get a palindrome (34807470843).

The spelling of 31404230430 in words is "thirty-one billion, four hundred four million, two hundred thirty thousand, four hundred thirty".